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Diffstat (limited to 'deps/openssl/openssl/test/exptest.c')
-rw-r--r--deps/openssl/openssl/test/exptest.c268
1 files changed, 102 insertions, 166 deletions
diff --git a/deps/openssl/openssl/test/exptest.c b/deps/openssl/openssl/test/exptest.c
index 9bc6e753a7..cde4d6bc45 100644
--- a/deps/openssl/openssl/test/exptest.c
+++ b/deps/openssl/openssl/test/exptest.c
@@ -1,5 +1,5 @@
/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
@@ -11,41 +11,39 @@
#include <stdlib.h>
#include <string.h>
-#include "../e_os.h"
+#include "internal/nelem.h"
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/err.h>
+#include "testutil.h"
+
#define NUM_BITS (BN_BITS2 * 4)
-static const char rnd_seed[] =
- "string to make the random number generator think it has entropy";
+#define BN_print_var(v) test_output_bignum(#v, v)
/*
* Test that r == 0 in test_exp_mod_zero(). Returns one on success,
* returns zero and prints debug output otherwise.
*/
static int a_is_zero_mod_one(const char *method, const BIGNUM *r,
- const BIGNUM *a) {
+ const BIGNUM *a)
+{
if (!BN_is_zero(r)) {
- fprintf(stderr, "%s failed:\n", method);
- fprintf(stderr, "a ** 0 mod 1 = r (should be 0)\n");
- fprintf(stderr, "a = ");
- BN_print_fp(stderr, a);
- fprintf(stderr, "\nr = ");
- BN_print_fp(stderr, r);
- fprintf(stderr, "\n");
+ TEST_error("%s failed: a ** 0 mod 1 = r (should be 0)", method);
+ BN_print_var(a);
+ BN_print_var(r);
return 0;
}
return 1;
}
/*
- * test_exp_mod_zero tests that x**0 mod 1 == 0. It returns zero on success.
+ * test_mod_exp_zero tests that x**0 mod 1 == 0. It returns zero on success.
*/
-static int test_exp_mod_zero()
+static int test_mod_exp_zero(void)
{
BIGNUM *a = NULL, *p = NULL, *m = NULL;
BIGNUM *r = NULL;
@@ -53,77 +51,64 @@ static int test_exp_mod_zero()
BN_CTX *ctx = BN_CTX_new();
int ret = 1, failed = 0;
- m = BN_new();
- if (!m)
+ if (!TEST_ptr(m = BN_new())
+ || !TEST_ptr(a = BN_new())
+ || !TEST_ptr(p = BN_new())
+ || !TEST_ptr(r = BN_new()))
goto err;
- BN_one(m);
- a = BN_new();
- if (!a)
- goto err;
+ BN_one(m);
BN_one(a);
-
- p = BN_new();
- if (!p)
- goto err;
BN_zero(p);
- r = BN_new();
- if (!r)
- goto err;
-
- if (!BN_rand(a, 1024, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))
+ if (!TEST_true(BN_rand(a, 1024, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY)))
goto err;
- if (!BN_mod_exp(r, a, p, m, ctx))
+ if (!TEST_true(BN_mod_exp(r, a, p, m, ctx)))
goto err;
- if (!a_is_zero_mod_one("BN_mod_exp", r, a))
+ if (!TEST_true(a_is_zero_mod_one("BN_mod_exp", r, a)))
failed = 1;
- if (!BN_mod_exp_recp(r, a, p, m, ctx))
+ if (!TEST_true(BN_mod_exp_recp(r, a, p, m, ctx)))
goto err;
- if (!a_is_zero_mod_one("BN_mod_exp_recp", r, a))
+ if (!TEST_true(a_is_zero_mod_one("BN_mod_exp_recp", r, a)))
failed = 1;
- if (!BN_mod_exp_simple(r, a, p, m, ctx))
+ if (!TEST_true(BN_mod_exp_simple(r, a, p, m, ctx)))
goto err;
- if (!a_is_zero_mod_one("BN_mod_exp_simple", r, a))
+ if (!TEST_true(a_is_zero_mod_one("BN_mod_exp_simple", r, a)))
failed = 1;
- if (!BN_mod_exp_mont(r, a, p, m, ctx, NULL))
+ if (!TEST_true(BN_mod_exp_mont(r, a, p, m, ctx, NULL)))
goto err;
- if (!a_is_zero_mod_one("BN_mod_exp_mont", r, a))
+ if (!TEST_true(a_is_zero_mod_one("BN_mod_exp_mont", r, a)))
failed = 1;
- if (!BN_mod_exp_mont_consttime(r, a, p, m, ctx, NULL)) {
+ if (!TEST_true(BN_mod_exp_mont_consttime(r, a, p, m, ctx, NULL)))
goto err;
- }
- if (!a_is_zero_mod_one("BN_mod_exp_mont_consttime", r, a))
+ if (!TEST_true(a_is_zero_mod_one("BN_mod_exp_mont_consttime", r, a)))
failed = 1;
/*
* A different codepath exists for single word multiplication
* in non-constant-time only.
*/
- if (!BN_mod_exp_mont_word(r, one_word, p, m, ctx, NULL))
+ if (!TEST_true(BN_mod_exp_mont_word(r, one_word, p, m, ctx, NULL)))
goto err;
- if (!BN_is_zero(r)) {
- fprintf(stderr, "BN_mod_exp_mont_word failed:\n");
- fprintf(stderr, "1 ** 0 mod 1 = r (should be 0)\n");
- fprintf(stderr, "r = ");
- BN_print_fp(stderr, r);
- fprintf(stderr, "\n");
- return 0;
+ if (!TEST_BN_eq_zero(r)) {
+ TEST_error("BN_mod_exp_mont_word failed: "
+ "1 ** 0 mod 1 = r (should be 0)");
+ BN_print_var(r);
+ goto err;
}
- ret = failed;
-
+ ret = !failed;
err:
BN_free(r);
BN_free(a);
@@ -134,114 +119,73 @@ static int test_exp_mod_zero()
return ret;
}
-int main(int argc, char *argv[])
+static int test_mod_exp(int round)
{
BN_CTX *ctx;
- BIO *out = NULL;
- int i, ret;
unsigned char c;
- BIGNUM *r_mont, *r_mont_const, *r_recp, *r_simple, *a, *b, *m;
+ int ret = 0;
+ BIGNUM *r_mont = NULL;
+ BIGNUM *r_mont_const = NULL;
+ BIGNUM *r_recp = NULL;
+ BIGNUM *r_simple = NULL;
+ BIGNUM *a = NULL;
+ BIGNUM *b = NULL;
+ BIGNUM *m = NULL;
+
+ if (!TEST_ptr(ctx = BN_CTX_new()))
+ goto err;
- /*
- * Seed or BN_rand may fail, and we don't even check its return
- * value (which we should)
- */
- RAND_seed(rnd_seed, sizeof(rnd_seed));
-
- ctx = BN_CTX_new();
- if (ctx == NULL)
- EXIT(1);
- r_mont = BN_new();
- r_mont_const = BN_new();
- r_recp = BN_new();
- r_simple = BN_new();
- a = BN_new();
- b = BN_new();
- m = BN_new();
- if ((r_mont == NULL) || (r_recp == NULL) || (a == NULL) || (b == NULL))
+ if (!TEST_ptr(r_mont = BN_new())
+ || !TEST_ptr(r_mont_const = BN_new())
+ || !TEST_ptr(r_recp = BN_new())
+ || !TEST_ptr(r_simple = BN_new())
+ || !TEST_ptr(a = BN_new())
+ || !TEST_ptr(b = BN_new())
+ || !TEST_ptr(m = BN_new()))
goto err;
- out = BIO_new(BIO_s_file());
-
- if (out == NULL)
- EXIT(1);
- BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
-
- for (i = 0; i < 200; i++) {
- RAND_bytes(&c, 1);
- c = (c % BN_BITS) - BN_BITS2;
- BN_rand(a, NUM_BITS + c, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY);
-
- RAND_bytes(&c, 1);
- c = (c % BN_BITS) - BN_BITS2;
- BN_rand(b, NUM_BITS + c, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY);
-
- RAND_bytes(&c, 1);
- c = (c % BN_BITS) - BN_BITS2;
- BN_rand(m, NUM_BITS + c, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ODD);
-
- BN_mod(a, a, m, ctx);
- BN_mod(b, b, m, ctx);
-
- ret = BN_mod_exp_mont(r_mont, a, b, m, ctx, NULL);
- if (ret <= 0) {
- printf("BN_mod_exp_mont() problems\n");
- ERR_print_errors(out);
- EXIT(1);
- }
-
- ret = BN_mod_exp_recp(r_recp, a, b, m, ctx);
- if (ret <= 0) {
- printf("BN_mod_exp_recp() problems\n");
- ERR_print_errors(out);
- EXIT(1);
- }
-
- ret = BN_mod_exp_simple(r_simple, a, b, m, ctx);
- if (ret <= 0) {
- printf("BN_mod_exp_simple() problems\n");
- ERR_print_errors(out);
- EXIT(1);
- }
-
- ret = BN_mod_exp_mont_consttime(r_mont_const, a, b, m, ctx, NULL);
- if (ret <= 0) {
- printf("BN_mod_exp_mont_consttime() problems\n");
- ERR_print_errors(out);
- EXIT(1);
- }
-
- if (BN_cmp(r_simple, r_mont) == 0
- && BN_cmp(r_simple, r_recp) == 0
- && BN_cmp(r_simple, r_mont_const) == 0) {
- printf(".");
- fflush(stdout);
- } else {
- if (BN_cmp(r_simple, r_mont) != 0)
- printf("\nsimple and mont results differ\n");
- if (BN_cmp(r_simple, r_mont_const) != 0)
- printf("\nsimple and mont const time results differ\n");
- if (BN_cmp(r_simple, r_recp) != 0)
- printf("\nsimple and recp results differ\n");
-
- printf("a (%3d) = ", BN_num_bits(a));
- BN_print(out, a);
- printf("\nb (%3d) = ", BN_num_bits(b));
- BN_print(out, b);
- printf("\nm (%3d) = ", BN_num_bits(m));
- BN_print(out, m);
- printf("\nsimple =");
- BN_print(out, r_simple);
- printf("\nrecp =");
- BN_print(out, r_recp);
- printf("\nmont =");
- BN_print(out, r_mont);
- printf("\nmont_ct =");
- BN_print(out, r_mont_const);
- printf("\n");
- EXIT(1);
- }
+ RAND_bytes(&c, 1);
+ c = (c % BN_BITS) - BN_BITS2;
+ BN_rand(a, NUM_BITS + c, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY);
+
+ RAND_bytes(&c, 1);
+ c = (c % BN_BITS) - BN_BITS2;
+ BN_rand(b, NUM_BITS + c, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY);
+
+ RAND_bytes(&c, 1);
+ c = (c % BN_BITS) - BN_BITS2;
+ BN_rand(m, NUM_BITS + c, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ODD);
+
+ if (!TEST_true(BN_mod(a, a, m, ctx))
+ || !TEST_true(BN_mod(b, b, m, ctx))
+ || !TEST_true(BN_mod_exp_mont(r_mont, a, b, m, ctx, NULL))
+ || !TEST_true(BN_mod_exp_recp(r_recp, a, b, m, ctx))
+ || !TEST_true(BN_mod_exp_simple(r_simple, a, b, m, ctx))
+ || !TEST_true(BN_mod_exp_mont_consttime(r_mont_const, a, b, m, ctx, NULL)))
+ goto err;
+
+ if (!TEST_BN_eq(r_simple, r_mont)
+ || !TEST_BN_eq(r_simple, r_recp)
+ || !TEST_BN_eq(r_simple, r_mont_const)) {
+ if (BN_cmp(r_simple, r_mont) != 0)
+ TEST_info("simple and mont results differ");
+ if (BN_cmp(r_simple, r_mont_const) != 0)
+ TEST_info("simple and mont const time results differ");
+ if (BN_cmp(r_simple, r_recp) != 0)
+ TEST_info("simple and recp results differ");
+
+ BN_print_var(a);
+ BN_print_var(b);
+ BN_print_var(m);
+ BN_print_var(r_simple);
+ BN_print_var(r_recp);
+ BN_print_var(r_mont);
+ BN_print_var(r_mont_const);
+ goto err;
}
+
+ ret = 1;
+ err:
BN_free(r_mont);
BN_free(r_mont_const);
BN_free(r_recp);
@@ -251,20 +195,12 @@ int main(int argc, char *argv[])
BN_free(m);
BN_CTX_free(ctx);
- if (test_exp_mod_zero() != 0)
- goto err;
-
-#ifndef OPENSSL_NO_CRYPTO_MDEBUG
- if (CRYPTO_mem_leaks(out) <= 0)
- goto err;
-#endif
- BIO_free(out);
- printf("\n");
-
- printf("done\n");
+ return ret;
+}
- EXIT(0);
- err:
- ERR_print_errors(out);
- EXIT(1);
+int setup_tests(void)
+{
+ ADD_TEST(test_mod_exp_zero);
+ ADD_ALL_TESTS(test_mod_exp, 200);
+ return 1;
}
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